Home / 169,834.19-254,782.06-138,521.81

Finding the Fourth Proportional to 169,834.19, 254,782.06 and 138,521.81

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Solution

The fourth proportional to 169,834.19, 254,782.06 and 138,521.81 is: 207,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,834.19 : 254,782.06 = 138,521.81 : x
  2. Step 2: Convert to fraction form
    169,834.19/254,782.06 = 138,521.81/x
  3. Step 3: Cross multiply
    169,834.19x = 254,782.06 × 138,521.81
  4. Step 4: Simplify right side
    169,834.19x = 35,292,872,397.38
  5. Step 5: Solve for x
    x = 35,292,872,397.38/169,834.19
  6. Step 6: Final answer
    x = 207,807.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.